5. Spamming, Junk E-mail and Invasion of Privacy.</strong> YOU may not use the Service to transmit or facilitate any unsolicited or unauthorized advertising, telemarketing, promotional materials, “junk mail”, unsolicited bulk e-mail, unsolicited duplicative e-mail, unsolicited commercial e-mail, fax broadcasting, fax blasting, or other activity that invade another person’s privacy (collectively, “Spam”).